Automatic telephone response device



Oct. 21, 1930. R MOKELDIN ET AL 7 1,778,980

I AUTOMATIC TELEPHONE RESPONSE DEVICE Filed Aug. 26, 1929 2 SheetsF-Sheet l Oct. 21, 1930. R, M'CKELDINHAL 1,778,980

AUTOMATIC TELEPHONE RESPONSE DEVICE Filed Aug. 26, 1929 Z Sheets-Sheet 2 i Patented Oct. 21, 1930 UNITED STATES PATENT OFFICE I JAMES B. MCKELDIN, OF LOS ANGELES, AND FRANCIS W. MAXSTADT, OF PASADENA,

CALIFORNIA; SAID MAXSTADT ASSIGNOR T0 SAID MCKEIIDIN AUTOMATIC TELEPHOHE RESPONSE DEY 'ICE Application filed August 26, 1929. Serial 1%. 358,446.

' This invention relates to an automatic device adapted to respond to incomm signals over the-telephone, and is particu arly directed to a device which does not in any way interfere with the normal operation of a telephone. Y

Attempts have been made heretofore to pro-.

Generally speaking, the apparatus embraced by this Invention includes a reproducing mechanism carrying a plurality of messages or responseswhich may be selectively set and reproduced when a call comes in on the telephone. The device is preferablyenergized by the sound vibrations of the telephone call box or by the mechanical 'vlbrations of the call box housing or of the bells of clappers therein. Provision has been made for automatically stopping'the device at the expiration of a predetermined time, and for the resetting of the reproducing mechanism so that the same message is-repeated when made for regulating the speed of reproduc tion. The entire device is extremely simple and compact, not exceeding greatly the size of an ordinary telephone instrument. I

An object of this invention is to disclose and provide an apparatus capable of automatically answering incoming calls and for transmitting a message to the caller.

device capable of responding to the vibrations set up during the ringing of a telephone. v Another object of this invention is to disclose and provide a device capable of transanother call is made. Provision has also been Another object is to disclose and provide a mitting a message to a caller and automaticaL terminating said transmission at the expiration of a predetermined time.

Another ob'ect is to disclose and provide a device capa le of automatically responding to incoming telephone calls, transmitting a' message to the caller, and automatically terminating said transmission and resetting the device for a subsequentcall.

Another'object ofthis invention is to disclose and provide a sim le, compact and efficient telephone respon ing device.

Other objects, uses and advantages of this invention will become apparent'from the following detailed description of one preferred form of a device embraced thereby.

In the following description, by the term telephone instrument reference will be had to one of the various usual forms of telephone -re ceiver and transmitte'r,lthe drawings ap-.

pended hereto showing a form of device adapted to be employed in connection with a vertical type of telephone instrument. By minor modifications the'device ma be adapted to be used with the so-calle French type which is characterized by transmitter 331d. receiver being mounted on a single hane. By incoming'calls reference is made to the effect produced upon a normal telephone instrument when a. signalling current actuates a clapper so as to produce a signal adapted to cause the owner or possessor of the telephone instrument to have his attention drawn t0 the telephone and respond by closing the circuit and permitting the transmitter and receiver to be connected with the line.

By record'means reference is to be made hereafter to an suitable engraved record on a disc or cylin er, said record bearing a message-or messages adapted to be reproduced by the device.-

In describing the preferred embodiment of the invention, reference will be made to the ap ended drawings, in which partly in section,-showin the device in 01)- erative relation to a telep one instrument.

Fig. 2 is a front view of the device, partly in section. j vFig. 3 is a plan view of the device, the case ig. 1 is a side view of a general assembly,

and record table being partly broken away to illustrate the location and arrangementof the mechanism.

Fig. 4 is a vertical section through one form of initiating mechanism.

Fig. is a diagrammatic illustration of an initiating circuit used in the device. J

Fig. 6 is a form of circuit adapted to be employed when an electric motor is used in the device. Fig. 7 is a diagrammatic representation of a circuit which maybe employed when a vibragion method of initiating thedevice is use 1 The device shown in the appended'dra-wings is adapted to be employed with a customary form of telephone instrument 1, provided with a transmitter 2 equipped with a mouth-piece 3. The receiver is normally suspended from an arm 4, the act of lifting the receiver from the arm 4 normally'closing the circuit and placing the telephone instrument in condition for operation and use. The instrument shown includes a dialing device 5.

The apparatus for automatically respond- 'ing to and answering incoming telephone calls preferably comprises an outer case 6 provided with a removable cover 7 adapted to permit access to-the upper portion of the apparatus in which a rotatable table 8 is positioned. The table 8 is preferably adapted to receive sound records 9 in the form of discs. A partition 10 preferably divides and separates the upper chamber A from a lower chamber B in'whichmost of the mechanism is enclosed.

A bottom chamber may be provided separated from the chamber B by means of a partition 11, said bottom chamber including a plurality of trays or pockets 12 adapted to receive and hold sound records such as the discs 9, thereby permitting a plurality of records bearing different messages thereon to be maintained within the case 6.' Obviously, a suitable door may be provided so as to permit access to the records 12.

ment 1.

The reproducing mechanism may comprise a tone arm 13 and a diaphragm de vice 14 connected thereto, saiddiaphragm device 14- including customary means forreceiving a needle 15 adapted to be actuated by the records made in the disc 9. The tone arm 13 is preferably connected by means of a'ball joint 16 with an outwardly flaring member 17 leading to an aperture formed in the rear of the case 6, said aperture being in osition to direct sound from the tone arm 13 into the transmitting mouth-piece 3.0f-the telephone instrument when.the case 6 is brought into operative position with respect to the instru- Means for driving the record disc 8 are rovided, and such means may motor. As shown in thed rawings, the driving means may comprise a spring motor 18 positioned in the chamber B and provided with a suitable crank handle or key 19 by. means of which the motor may be wound or placed in an o erative condition.- The driving shaft :20 o z the motor 18 preferably carries a gear 21 and a cam 22. Gear 21 preferably meshes with a worm 23 mounted on or formed in a shaft 24 supported by means of a bearing 25 on the partition 11 and by means of a suitable bearing 26 in the upper partition 10. The shaft 24 is operably connected to the record table 8. Rotation of the gear 21 will, therefore, impart rotation to the shaft 24 and the table 8 on which the record 9 is carried.

Bell crank lever 27 pivotally connected to the body of the device as at 28 extends outgroove 33 formed in the cam member 22.

The arm 31 of the bell crank lever 27 is preferably provided with a slot 34 in which a pin '35 connected to the lower end ,of bell crank lever 36 is slidably received. The bell crank lever 36 is pivotally connected to the body portion of the device as at 37. The arm 38 of'the bell crank lever 36 preferably terminates in an extension 39 having notches '40 thereiri, said notches being of such length and number as to correspond with the length and number of messages recorded upon the disc 9 positioned on the rotatable table 8. Means may be provided whereby the extension 39 having the notches 40 may be readily attached or detached from the arm'38 of bell crank lever 36.

It will be noted that when the shaft 20 is rotated by means of the spring motor 18, the cam member 22 will be rotated in a direc tion indicated by the arrow (Fig. 2) thereby causing the roller 32 slidably mounted in cam gpoove 33 to contact with the face 41 ofthe groove 33 and impel said roller 32 and the lower portion of the arm 31 outwardly. Such movement cau'sesthe bell crank lever 27 to pivot at 28 thereby raisin arm 30 and closing the circuit by means 0 the upward movement of arm 4 of the tele hone instrument. Such outward movement of arm 31 of the bell crank lever 27 imparts an outward movement 1 nections 49 and 50, respectively. When the '9 in position for reproduction.

A small member 42 is preferably carried by the tone arm 13, said member 42 being adapted to be received in the notches cut in the member 39. As shown in Fi .2, the tone arm 13 has been lowered so that t e needle 15 contactswith the record 9.

Rotation of the table. 8' is normally re.-

' strained by means of a brake arm 43pivoted to the body portion or preferably to the up-' per partition 10 as at 44. The brake arm 43 4 is preferably provided with a pad'45 carried The pad 45 preferably contacts with the toggle arm 48 isin line with that portion of 5 the lever 46 to which it is pivotally connected, as at 49. then the brake, arm 43 is in such position that the pad 45 carried thereby is in contact with the table 8 and prevents ro-- tation thereof. p p

The mechanism for initiating the operation of the automatic telephone responding device is preferably unconnected with the signal ling circuit of the telephone instrument, but instead comprises means actuated by the vibration of the bell'box or clapper. As shown:

in Fig; 4 the initiating mechanism preferably comprises a base plate 51 havingja cover 52 'removably attached thereto. Pivotally mounted on suitable supports attached to the base plate 51 is an arm 53 pivoted as at 54, said arm. 53 extending outwardly through an aperture in the base 51. Said arm 53 may be of any desired configuratiomthat is, it may be flat or it may be in the form of a thin rod having an extension bent 'at right an les.

therefrom, said extension being adapte' to:

' contact with the cla per rod 55.

Terminalv poles 5 adjustable contact points 58 and 59, respecmatic telephone resending device. A hair spring 60 isrefera 1y mounted on thepivot 1 bell box of a telephone installation through i tively, are referabl'y provided within the case 52, sai .conta'ct oint 58 and terminal pole 56 bein electrica y connected by means of suitable exible wires with the main autos arm 54 of t e arm 53 said hair spring being-adapted' to maintain the shorter portion of the'arm 53. in contact with one of said terminal poles, or contact "points such as. for example thecontact point 59. It is'to be understood that'the arm. 53 extends'into the one of the many apertures in such bell box.

i The case 52 containing the initiating mechanism may be attached to the bellbox in any lowered into contact with'the record and 57' provided with" p '53 contacts with contact .closing the initiatin by the battery 66 preferably contained intapering heads so that they may be inserted into apertures in the bell box and engage with the inner surfaces of the bell box near such apertures, thereby maintaining the initiating mechanism in position thereon.

If it isdesiredto remove the device, the

threaded screw connecting the case 52 with vthe base 51 may be. removed, thereby permitting access to the initiating mechanism so that the latches 61 and 62 may be manually operated to release their hold on the bell box and the device removed.

When the clapper rod 55 is actuated by the signalling current, it actuates the arm 53 thereby causing the arm 53 to contact with the contact point 58 which closes an initiating circuit of the character shown in Fig. 5 for example. It is to be understood 'that arm 53 iselectrically connected 'with said initiating circuit. As shown in Fig. 5, when contact is closed between element 53 and contact point 58, current from a battery 66 will vflow through a coil 67 of an. electro-magnet. The electro-magnet 67 is shown in Fig. 3

as being positioned beneath the rotating table 8, suitable flexible connections belng made between said-electro-magnetic coil and the initiating mechanism shown in Fig. 4.

' .As shown with greater particularityun Fig. 1, the mechanism beneath the rotating table 8 (Fig;v 3) is preferably positioned in a depression formed in the upperv partition 10. The-electro-magnet 67 inc udes an armature" 68 flexibly connected as at 69 with the case of the electro-magnet- 67. The end of the armature 68 is adapted to come into abut- 70 is adapted to contact with the tog 1e arm- .ting relation witha pusher rod 70 slidably 48. If, therefore, the initiatingmec anism is operated by the clapper rod 55, the, arm

circuit which, energized the case 6 asshown in Fig. 1), energizes the coil '67.

The armature68 is thus drawn up sharply by the attraction of the electro-magnetic-coil tion 10. When the brake arm 43- releases its holdupon the inner flan e on rotating table .8, then the motor 18 is re eased, thereby causpoint 58 thereby a being assistedby the tension spring 73 atg J tached to the brake arm 43 and to the partiing the rotation of the gear 21 and the cam 22. Movement of the cam 22, ashas been explained before, moves the bell crank arm 27 and the bell crank arm 36, thus closing the telephone circuit and placing the reproducing mechanism in operation.

It is tobe noted that the bell crank lever 46 is rigidly connected to a lever arm 74 which, when the device is in operation, closes a circuit breaker 75, said circuit breaker being indicated in the initiating circuit in Fi 5. As soon as the coil 67 has been energize therefore, and the brake arm 43 released, the simultaneous movement of the bell crank lever 46 causes the arm 74 to move away from the circuitbreaker. 7 5, thereby opening the circuit and discontinuing the .energizamessage m y be selected manually. by

tion of the responding device. As shown in Fig. 1, the indentations 41 and 76 are substantially 180 degrees apart.

In other words, the device at the beginning of a response will be in the position shown in Fig. 1, and such response will be terminated when the roller 32 is forced into the depression 76 or at the end of one-half revolution of the cam 22. During such one- I half revolution, however, the motor has imparted a fairly large number of rotations to the disc 9 and rotatable table'8 by reason of the gears 21 and 23, so that a message of appreciable length may be thus reproduced.

It is to beunderstood that the cam 22 may be replaced by other cams having a greater or less number of indentations, causing the record to turn a smaller omgreater number of times before the receiver hook 4 is depressed. v,

It is to be understood that when the roller .32 enters one of said depressions the bell crank lever 27 will be caused to move on its pivot 28, thereby causing the arm'30 to depress the hook 4, thus terminating the trans mission of the record being reproduced from the disc 9. v

.The movement of the bell crank lever 27 at the termination of the message causes an 't upward movement of the arm 77 of the bell crank lever 27. The arm 77 or an extension thereof comes in contact with a hinged end 1 78 of the .bell crank lever 46. A pin 7 9 extends downwardly from the rotatable table tr 8and is adapted to contact with the hinged:

end 78 of the bell crank lever 46 when said hinged end 78 has beenraised by the arm .77. When the pin 79 comesin contact with the hinged end 78 it causes the bell crank lever 76 to pivot on the point 47 in an anti-clockwise direction (Fig. 3), thereby causing the brake arm 43 to contact with the flangeof the table 8 and stopping the rotation of sa1dtable.'-

The location of pin 79 with respect'to the position of the hinged end 78 should be carefullydetermined, as after the P111 79 has contacted with the hinged end 78 so as to'seat the brake arm 43, the momentum of the rotatable table 8 should be sufiicient to cause the pin 79- to slide by and substantiall out of contact with the'hinged end 78, it eing understood that the hinged end 78 moves'upwardly by pivoting on point 47.

If deslred, a slight depression of short length may be formed in the periphery or flange of the table '8 so as to facilitate the slippage of the table 8 and of pin 79-outof contact with-the hinged end 78 before the brake pad firmly grips the edge of the table. In this manner the device is automatically stopped at the expiration of a predetermined time and placed in condition for response to a subsequent incoming call.

' In order to regulate the speed of rotation of the table 8, a governor may be provided. Said governor may include a worm gear 80 mounted upon the shaft 24, said gear 80 -being in engagement with a worm 81 mounted upon ashaft 82 journaled in suitable bearings 83 and 84. Any suitable type of governor may be mounted on the shaft 82. As shown in Fig. 1, the governor may comprisea .collar 85 adapted to, be adjustably positioned on the shaft 82; and a collar 86 slidably mounted on the shaft 82. The collars 85 and 86 may be connected together by means of flexible members 87 provided tached to a disc 89.. Rotation of the shaft 82 will cause the weights 88 to moveawayfrom the shaft 82 by centrifugal action, such movement causing the collar 86 and the disc 89 to move toward the fixed collar 85.

A pivoted' brake arm 90 may be provided to contact with the inner surface of the disc 89 and to be urged away from said disc by a compression spring 91. The opposite end of the brake arm 90 may be adjustably positioned as by means of a set screw 92 to which access may be had from the exterior of the case 6. In this manner, the permissible travel of the disc 89 may be regulated'by adjustin the set screw 92, further travel being stoppe by the braking action of brakearm 90 against the side of disc 89.

Although the description given hereinabove relates to. a device employing a spring motor, it is to be un derstoo that an electric with weights 88. The collar 86 may be atmotor may be substituted for the spring Q motor 18 by only a very slight modification.

'The modifications which need be made are shown in Figs. 5 an.

of depending upon the -erably the grid circuit of a three-element vacuum "the vibrations of 50 diagrammatically I illustrated in Fig. 6. Electric current from a suitable source may be supplied by lines 93 to an electric motor 18'. A circuit breaker 94 is preferably mounted in the supply line to the motor, the line 93 also supplying electric current to a transformer or other voltage reducing from which electric energy is obtained for the initiating circuit. The circuit breaker 94 is preferably actuated by the arm 74-and is indicated in position in ig. 3.

When the initiating circuit is closed by contact of the arm 53-with contact'point 58, the coil 67 is energized, causing armature 68 to hush the rod 70 and thereby move the toggle arm 48, releasing the brake arm 43. Such movement simultaneously moves arm 74 which opens the circuit breaker 7 5 and closes the circuit breaker 94.. 'The closing of circuit breaker 94 permits" the motor 18' to operate.

As described hereinabove, the initiating mechanism depends upon the movement of the clapper rod 55 -of the call'box. Instead movement of the clapper arm 55, it has been found possible to utilize the vibrations of the bell box in actuating the automatic responding device. This modificationis shown in Fig. 7 and comprises a carbon microphoneelement which is suitably attached to the bell box, such -microphoneelement 100 being prefconnected through a coil 101.with

tube 102. The plate circuit of this tube (or the final tube of a multiple stage amplifier) is then passed through a sensitive relay 103 which causes aipair of contacts 53' and 58' to close. These-contacts take the lace of the contacts 53 and 58"i(I11 the initiating circuits It is to be noticed that the automatic responding device described hereinabove is in no direct manner connected with the signalling current of the telephone instrument. It depends entirely upon the vibrations set up by the signalling current, such as for example the call box itself or the vibrations of the bell clapper. The mechanism responds to these vibratrons, closes the telephone circuit and reproduces a message) d1- recting said message to the receiver or mouthpiece of a telephone instrument. Means have een provided for automatically resetting the reproducing mechanism at the end of each reproduction or message (the element 42 Slide ing along "the niche40 until it reaches the starting position). Means have been provided whereby the duration of the messages can be controlled ,(vapiatiofi in the cam 22 and the niclies 40) {means have been also rovided for regulating the speed of reprodu tion (gthe governor mounted on shaft 82 and the a justing device including brake arm 99).

device The device is simple to construct and is .exttremely compact.

In operation, the sound records 9 will bear appropriate messages, effect that an automatic device is respondmg to the incoming call and that the person being called is not available but could be reached by calling a certain number or sta tion, or that a message could'be left for him by calling a certain number or bureau. This message may peated in part if desired. At the conclusion of the message the apparatus automatically hangs the telephone receiver up again and resets itself for a subsequent call.

If desired, a counting mechanism may be made a part of thedevice, said counting mechanism being actuated by 27 or the bell crank lever 36 so that when the owner of said device returns, he may defor example, to the be reproduced slowly and ret bell crank lever as f termine at a glance the number of calls which had been received and answered by the device. It is to be understood that numerous changes and modifications may be made in the general appearance andarrangement of the various elements without departing from the scope of the invention,

and all such changes I and modifications as come within the scope of the appended claims are embraced thereby. 1

We claim 1. In an apparatus for automatically responding to and answering incoming telephone calls, the combination of; a rotatable table adapted to receive a sound record, means for driving said table, a tone arm and diaphragm, means'for raising and lowering the tone arm from and into operati've contact with a sound record on said table,

ioo

brake means adapted to stop and restrain rotation of said table, means actuated b vibration of a signal bell clapper'inthe te ephone circuit for releasing the ,brake, said means including an-initiating circuit and an electromagnet adapted to be energized when said c'iris' closed by the vibrations ofsaid signal 6 r i v 2.. In an apparatus for sponding to and answering incoming telephone calls, the combination'of a rotatable table adapted to receive a sound record, means for driving said table, a tone arm and diaphragm, means for raising and loweringthe tone arm from and into operative contact with a sound record onsaid table, brake means adapted to stop and restrainjrotation of saidtable, and means actuated by vibraautomatically re-f:

tion of a signal bell in the telephone circuit. for releasing the brake, said meansincluding an initiating circuit and an electro-magnet adapted to be energized when said circu t is -closed by the vibration of said'si%1a1 bell,

and'an armature adapted to actuate. leasing mechanism is energized;

. B- An me i for -"uanaeca y rake .refne dv e mj-i snet 1 sponding to and answering incoming telephone calls, comprising a rotatable table adapted to receive a sound record, means for driving-said table, means forregulating the cluding an initiating circuit and an electro-' magnet adapted to be ener ized by the vibrations 01? said signal bellw en said circuit is closed, a camadapted to be driven by said tab le driving means, and a bell crank lever adapted to be actuated by said cam to open a'nd'close a telephone circuit.

An apparatus for automatically respondingto and answering incoming tele-v 2 phone calls,

adapted to receive a sound record, means for comprising a rotatable table driving said table, means for regulating the speed of rotation of said table, means'for ad-- justing said regulating means, a tone arm and diaphragm, means for raising and lowering the tone arm from and'into operative contact with a sound record, on said table, brake means adapted to stop and restrain rotation of said table, and means actuated by vibration of a signal bell clapper for releasing the brake, said means including an initiating circuit and an electro-magnet adapted to be energized ,whensaid circuit is closed by the vibration of said signal bell.

. apparatus for automatically re" 5 splonding to and answering incoming teles dlizphragm, means for raising and lowering the tone arm and diaphragm, means for raisno calls, comprising a rotatable, table adapted to receive a sound record, means for driving saidtable, means for regulating the ed of rotation of said table, a tone arm and ing and lowering the tone arm from and into operative contact with a sound record on said table, brake means adapted to stop and restrain rotation of said table, means actuated by vibration of a signal bell for releasing the brake, said means including an initiating circuit and an electro-magnet adapted to be energized by the vibrationsof said signal bell when said circuit is closed, acam adapted to by driven by said table driving means, a bell crank lever adapted to be actuated by said camto open and close a' telephone circuit,

and an operative connection between said bell crank lever and means for raising and'lowering the tone arm.

- apparatus for automatically "responding to and answering incoming telephone calls, comprising a rotatable table adapted to receive a sound record, means for driving-said table, means fonregulating the speed of rotation of said table, means for adjusting seidlegulating means, a. tone arm. and

diaphragm, means for raising and lowering the tone arm from and into operative contact with a sound record on said table, means for positioning said tone arm with respect to a record and for returning said tone arm to original position when said tone arrii is raised, brake means adapted to stop and restrain rotation of said table, means actuated by vibration of a signal bell clapper in a telephone circuit for releasing the brake, said means including an initiating circuit and an electro-magnet adaptedto-be energized when said circuit is closed by the vibrations-of said signal bell, and an armature adapted to actuate brake releasing mechanism when said electro-magnet is energized; a cam adapted to be driven by said table driving means, and

a bell crank lever adapted to be actuated by said cam to open and close a telephone circuit, and an operative connection between said bell crank lever andv means for raising and lowering the tone arm. t

' 7. In an apparatusforautomatically responding to and answering incoming telephone calls, the combination of a-rotatable table adapted to receive a soun,d=record,

means for driving said table, brake means table adapted to receive ,a sound record,

means for driving said table, brake means adapted to stop and restrain rotation of said table, and means actuated by vibration of a signal'bell clapper in a telephone circuit for closing a separate initiating circuit and releasing said table brake, said means comprising a pjivoted contact arm adapted to be moved y an; initiating circuit including anelectromagnet, and an armature adapted to actuate brake releasing mechanism when said 1n1t1at ing circuit is closed. 9. In an apparatus for automatically res onding to and answering incomlng telephone calls, the combination of a rotatable table adapted to receive a sound record, means for drivingsaid table, brake means adapted to stop and restrain rotation of said table, means actuated by vibration of a. signal bell in a' telephone circuit for closing an initiate ing circuit and releasing sald table brake, and means for openin said'initiating circuit' after said table bra e is released. V

'10. In an apparatus for automatically-re s onding to and answering incoming tele- 1510116 calls, the combination of a rotatable the signal bell clapper and close table adapted to receive a sound record, means actuate said brake releasing mechanismwhen said initiating circuit is closed, and means for opening said initiating circuit after said table brake is released.

11. An apparatus forautomatically responding to and answering incoming telephone calls, "comprising a rotatable table adapted to. receive a sound record, means for driving said table, a cam adapted to be driven by said table driving means, adapted to be actuated by said camto open and close atelephone circuit, brake a bell crank lever means adapted to' stop and restrainrotation of said table, and'means actuatedby vibrationof a signal. bell in a telephone circuit for closing an initiating circuit and releasing said table brake, said means including an electro-magnet in said initiating circuit and an armature adapt- 1 ed to actuate said brake releasing mechanism I Y brake releasing mechanism including a 'toggle arm and a bell crank lever liavinga hinged end, an arm connected to said bell crank lever adapted to lower said hinged end when said telephone circuit is closed and to raise said hinged'end when said telephone circuit is open, and a pin on said rotatable table adapt? ed to contact with said hinged end and apply said brake when said hinged end is up.

12. An apparatus ,for automatically responding to and answering incoming tele-I phone calls, comprising a rotatable table adapted to receive a driving said table, a cam adapted to be driven by said table driving means,

close a telephone circuit, brake means adapted to sto andrestrainthe rotationoifsaid I table, an means actuated by vibration of. a},

signal bell clapper in atelephone. circuit'fo'r closing a separate initiatin circuit'iandreleasing said table brake,- sai means-comprise ing a-pivoted contact arm adapted-to befinoved by the signal itiating circuit including an-g'electro-magnet tedftoactuatefibrake and an armature ada II II I II I ensaid initiat ng on;

releasing mechanism w cuit is closed, said brake releasinlg'mechenism; be cr nke includinga toggle armgand a I I having a hin ed and; :an arm connected to hinged end when said telephone circuit: is

closed and to raise said hinged end when saidtelephone circuit is open, andapin'on said rotatable. table adaptedto contact with said hinged end and apply said brake when said driving said table, driven by said table closed en said initiating circuit is closed; Bald" 1s onding to and adapted to receive drivingsaid table,

.from and into operativ driven by said table driving means sound record, means for;

for closing an nitiatin said table brake, sai

bell clapper andg "1 4 in? lever adapted to loweri said d'riving' {said table,

13. apparatus forautomatically re-- s' onding to and answering incoming telep one calls, comprising a rotatable table adapted to receive a sound record, means for a cam adapted to be driving means, a bell crank lever adapted to be "actuated by said cam to open and close a telephone circuit, brake means adapted to stop and restrain the rotation of said table, and means actuated by' vibration ofa signal bell clapper in a-telephone'circuit adapted to be movedby the signal bell clapper II for closing a separate initiating C1I'Gl11b'fil1d releaslng said table brake, said means comprising a' pivotedcontact armet and an armature adapted to. I

actuate bra e releasing mechanism when said initiating circuit is' closed, said brake releasing mechanism including a toggle arm and a bell crank lever having a hinged end, means,

for opening said initiating circuit after'saidt table brake. is released, an arm connected .to

said bell-crank lever adapted to lower 'said hinged end vwl'iensaidtelephone circuit 18 and to raise said hinged end when said I telephone. circuit is open, and. a pin on said rotatable table adapted hinged end and-apply said brake when said hinged end is up. I I v 14. An apparatus for automatically reansweri'ng an incoming telep one call, comprising a sound record, means for a tone arm and diaphragm, means forraising' and lowering the tone arm e contact with. a sound a cam adapted to be a bell cranklever adaptedto be actuated by said record. on said table,-

to stop and restrain rotation of saidtable eans actuated by vibration of a signal bell in a telephone circuit circuit and releasing electro-magnet in said initiating circuit and a rotatable table to contact with said" '105 foam vto open and close' a telephone circuit,

. ,jbrake means adapted I a bell crank lever; adapted to be actuated byvsaidcamtoopenandf :ineans including an I anarmature adapted-".toactuatesaid brake v releasin mechanism when saidinit'iatingcircuit isi'c osed, said brake releasing mechanism including a togglelarm'and a' bel having a-hinged end, an arm connected to said bell -crank lever adaptedto, lower said lhingedgendwhen said telephone circuit is closed, and to ra se saidhin'ged end when said {telephone circuit isopen, anda' pin on'fsaid rotatable table adapted to contact withsaid 7 cranklever hinged end and apply said brake when said II in endv i' '1'5. An; apparatusijfor;autgmatically resplonding to and answering ncoming telep one calls, comprising a rotatable-table adaptedtoflreceive a sound "recordgflmeans for I atone arnij and In, diahragm connected thereto; means iorraising when said hin ed end is up.

day of August,'1929.-

and lowering the tone arm from and into operative contact with a sound record on said table, means for positioning said tone arm with respect to 'a record and for returning said tone arm to original position when said tone arm is raised, a'cam adapted to be driven by said table driving means, a bell crank lever adapted to be actuated by said .cam to open and close a telephone circuit, an operative connection between said bell crank lever and means for raising and lowering the tone arm,

brake means adapted to stop and restrain 1 rotation of said table, means actuated by vi- 'bration of a signal bell clapper in a telephone circuit for closing aseparate initiating circuit, and releasing said table brake, said means comprising a pivoted contact arm adapted.- to be moved by the signal bell clapper and close an initiatingcircuit including an electro-magnet and anarmature adapted to actuate brake releasing mechanism when said initiating circuit is closed, said brake releasing mechanism including a toggle arm and a bell crank lever having a hinged end,' an arm connected to said bell crank lever adapted to 7 lower said hinged end when said telephone circuitis close and to raise said hinged end when said telephone circuit is o n, and a pin on said rotatable-table adapte' to contact with said hinged end and apply said. brake Signed at 05 Angeles, c ns, this 12th- JAMES .R. McKELDIN. A FRANCIS w. MAXSTADT. 

